Alexander Schrijver. Proving total dual integrality with cross-free families - A general framework. Math. Program., 29(1):15-27, 1984. [doi]
@article{Schrijver84,
title = {Proving total dual integrality with cross-free families - A general framework},
author = {Alexander Schrijver},
year = {1984},
doi = {10.1007/BF02591726},
url = {http://dx.doi.org/10.1007/BF02591726},
researchr = {https://researchr.org/publication/Schrijver84},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {29},
number = {1},
pages = {15-27},
}